How severe is CVE-2023-21453?

CVE-2023-21453 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-21453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21453?

CVE-2023-21453 primarily affects Samsung Android. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-21453 published?

CVE-2023-21453 was published on 2023-03-16 and last updated on 2026-06-17.

CVE-2023-21453

CVE-2023-21453 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Samsung Android
Published: 2023-03-16
Last modified: 2026-06-17

Description

Improper input validation vulnerability in SoftSim TA prior to SMR Mar-2023 Release 1 allows local attackers access to protected data.

Frequently asked questions

What is CVE-2023-21453?: Improper input validation vulnerability in SoftSim TA prior to SMR Mar-2023 Release 1 allows local attackers access to protected data.
How severe is CVE-2023-21453?: CVE-2023-21453 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-21453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21453?: CVE-2023-21453 primarily affects Samsung Android. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21453 published?: CVE-2023-21453 was published on 2023-03-16 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03

Affected products (6)

cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-dec-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:*

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